129 lines
4.6 KiB
Java
129 lines
4.6 KiB
Java
/*
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* Copyright (c) 2020, 2024, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2020, 2023, Arm Limited. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test PerfMapTest
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* @bug 8254723
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* @requires os.family == "linux"
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* @library /test/lib
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* @modules java.base/jdk.internal.misc
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* java.compiler
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* java.management
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* jdk.internal.jvmstat/sun.jvmstat.monitor
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* @run testng/othervm PerfMapTest
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* @summary Test of diagnostic command Compiler.perfmap
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*/
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import org.testng.annotations.Test;
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import org.testng.Assert;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.dcmd.CommandExecutor;
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import jdk.test.lib.dcmd.JMXExecutor;
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import java.io.IOException;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.util.UUID;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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/**
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* Call jcmd Compiler.perfmap and check the output file has the expected
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* format.
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*/
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public class PerfMapTest {
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static final Pattern LINE_PATTERN =
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Pattern.compile("^((?:0x)?\\p{XDigit}+)\\s+((?:0x)?\\p{XDigit}+)\\s+(.*)$");
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public void run(CommandExecutor executor, String cmd, Path path) {
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OutputAnalyzer output = executor.execute(cmd);
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output.stderrShouldBeEmpty();
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output.stdoutShouldBeEmpty();
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try {
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Assert.assertTrue(Files.exists(path), "File must exist: " + path);
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Assert.assertTrue(Files.size(path) > 0,
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"File must not be empty. Possible file permission issue: " + path);
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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// Sanity check the file contents
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try {
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for (String entry : Files.readAllLines(path)) {
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Matcher m = LINE_PATTERN.matcher(entry);
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Assert.assertTrue(m.matches(), "Invalid file format: " + entry);
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}
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} catch (IOException e) {
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Assert.fail(e.toString());
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}
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}
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@Test
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public void defaultMapFile() throws IOException {
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final long pid = ProcessHandle.current().pid();
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final Path path = Paths.get(String.format("/tmp/perf-%d.map", pid));
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run(new JMXExecutor(), "Compiler.perfmap", path);
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Files.deleteIfExists(path);
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}
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@Test
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public void specifiedMapFile() {
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String test_dir = System.getProperty("test.dir", ".");
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Path path = null;
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do {
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path = Paths.get(String.format("%s/%s.map", test_dir, UUID.randomUUID().toString()));
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} while(Files.exists(path));
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run(new JMXExecutor(), "Compiler.perfmap " + path.toString(), path);
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}
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@Test
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public void specifiedDefaultMapFile() throws IOException {
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// This is a special case of specifiedMapFile() where the filename specified
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// is the same as the default filename as given in the help output. The dcmd
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// should treat this literally as the filename and not expand <pid> into
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// the actual PID of the process.
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String test_dir = System.getProperty("test.dir", ".");
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Path path = Paths.get("/tmp/perf-<pid>.map");
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run(new JMXExecutor(), "Compiler.perfmap " + path.toString(), path);
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Files.deleteIfExists(path);
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}
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@Test
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public void logErrorsDcmdOutputStream() throws IOException {
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String test_dir = System.getProperty("test.dir", ".");
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Path path = Paths.get("nonexistent", test_dir);
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try {
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OutputAnalyzer output = new JMXExecutor().execute("Compiler.perfmap %s".formatted(path));
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output.shouldContain("Warning: Failed to create nonexistent/%s for perf map".formatted(test_dir));
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} finally {
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Files.deleteIfExists(path);
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}
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}
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}
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